How Does a Refrigerator Work?

Most homeowners don’t think about the inner workings of a refrigerator before it shuts down, or it is time to replace it. In order to get the most use possible out of this important appliance it can be useful to know exactly how a refrigerator keeps food and drinks cold—and Delta Des Moines Appliance Repair is here to explain.

Read below to learn all you might need to know concerning how refrigerators run, how it cools your food and drinks and if it’s time to reach out to refrigerator repair Des Moines.

Parts of a Refrigerator

There aren’t too many homes that don’t have a refrigerator inside the kitchen. It’s been a must-own household appliance for a lot of years. A residential refrigerator stores your food and drinks at the optimal temperature, in order to eliminate rotting and limit the growth of bacteria. The process of refrigeration starts by distributing the heat from the interior of the unit to the exterior, relying on principles of evaporation and condensation.

The primary components of your refrigerator are below. For questions or service call Delta Des Moines Appliance Repair:


The compressor is both a pump and motor, and it’s responsible for the circulation of refrigerant dispersed in the cooling system.
A compressor is a very important piece of a refrigerator. You should enlist a professional company if the compressor is no longer working.


The refrigerator condenser is found on the back outside wall of the refrigerator and will help to release the warmth built-up from within the refrigerator then out to the surrounding air.


The refrigerator evaporator is installed in the interior of a refrigerator where it absorbs the warmth contained inside of it, thereby reducing the interior temperature.

Once the evaporator stops working, it’s time to enlist a professional. You should not wait too long.

Expansion Device

Liquified coolant is transported within a capillary tube which acts as an expansion device as it cools the gas inside, thereby transforming the gas back into a liquid.


A thermostat regulates the temperature throughout the refrigerator, engaging a new cooling cycle as appropriate.

The thermostat in a refrigerator is very prone to malfunction. Troubleshoot and call a contractor in Des Moines for repair the moment a problem occurs.

How Does Refrigeration Work?

1. The moment the temperature inside a refrigerator rises above the set point sensors alert the compressor to begin, and then the cooling cycle starts. The appliance draws in the cold liquid refrigerant, then condenses and pressurizes it, and increases the temperature, so it can turn into a gas.

2. The compressor guides the warm gas towards the condenser coils on the outside of the appliance, at which point it comes in contact with warmer temperature in the home and transforms to a liquified state.

3. The cooled refrigerant then continues on its trip towards the refrigerator evaporator, traveling through the coils on the interior of the appliance and top freezer compartment.

4. The coolant absorbs the warm air from the interior of the appliance, cooling the temperature until it has reached the optimal set point.

5. The refrigerant then evaporates, and will return back to a gas state, and then returns to the refrigerator compressor unit in order to continue the cooling cycle.

Refrigeration is often found in a number of applications and appliances, this includes heat pumps, AC units, refrigerators and residential freezers. By removing warmth from one location and moving it to another the continuous cycle of refrigeration helps cooling your home, provides a optimal storage space for perishable food, and helps with manufacturing and storage of many different products and materials.

Need Refrigerator Repair?

Does your refrigerator need service? Time to schedule repair with Delta Des Moines Appliance Repair.

Delta Des Moines Appliance Repair will service all major brands of refrigerators – including restaurant models, stand-alone and side-by-side.Our licensed appliance repairmen in Des Moines complete training to troubleshoot and repair issues with cooling, malfunctioning ice makers, condensation, water puddles and leaks, lighting, touch controls, smart synchronization and other problems. We know refrigerator repair! Schedule now!